Android phones achieved a key lock screen function, change the phone s device manager, proven to achieve the function, the program is very simple. For your reference

demo - 一键锁屏\.classpath
...............\.project
...............\AndroidManifest.xml
...............\bin\AndroidManifest.xml
...............\...\classes\com\example\demo\AdminReceiver.class
...............\...\.......\...\.......\....\BuildConfig.class
...............\...\.......\...\.......\....\ImageView.class
...............\...\.......\...\.......\....\MainActivity.class
...............\...\.......\...\.......\....\R$attr.class
...............\...\.......\...\.......\....\R$dimen.class
...............\...\.......\...\.......\....\R$drawable.class
...............\...\.......\...\.......\....\R$id.class
...............\...\.......\...\.......\....\R$layout.class
...............\...\.......\...\.......\....\R$menu.class
...............\...\.......\...\.......\....\R$string.class
...............\...\.......\...\.......\....\R$style.class
...............\...\.......\...\.......\....\R.class
...............\...\classes.dex
...............\...\dexedLibs\android-support-v4-95024e3f866b2393436c8e34f4eefe55.jar
...............\...\jarlist.cache
...............\...\res\crunch\drawable-hdpi\happy2.png
...............\...\...\......\.............\ic_launcher.png
...............\...\...\......\.............\love.png
...............\...\...\......\.........mdpi\ic_launcher.png
...............\...\...\......\.........xhdpi\ic_launcher.png
...............\...\...\......\..........xhdpi\ic_launcher.png
...............\...\resources.ap_
...............\...\一键锁屏.apk
...............\gen\com\example\demo\BuildConfig.java
...............\...\...\.......\....\R.java
...............\ic_launcher-web.png
...............\libs\android-support-v4.jar
...............\proguard-project.txt
...............\project.properties
...............\res\drawable-hdpi\happy2.png
...............\...\.............\ic_launcher.png
...............\...\.............\love.png
...............\...\.........mdpi\ic_launcher.png
...............\...\.........xhdpi\ic_launcher.png
...............\...\..........xhdpi\ic_launcher.png
...............\...\layout\activity_main.xml
...............\...\......\happy.xml
...............\...\......\iamge_view.xml
...............\...\......\image_view.xml
...............\...\......\lock_screen.xml
...............\...\......\person.xml
...............\...\menu\main.xml
...............\...\values\dimens.xml
...............\...\......\strings.xml
...............\...\......\styles.xml
...............\...\......-sw600dp\dimens.xml
...............\...\.........720dp-land\dimens.xml
...............\...\.......v11\styles.xml
...............\...\.........4\styles.xml
...............\src\com\example\demo\AdminReceiver.java
...............\...\...\.......\....\ImageView.java
...............\...\...\.......\....\MainActivity.java
...............\bin\classes\com\example\demo
...............\...\.......\...\example
...............\...\res\crunch\drawable-hdpi
...............\...\...\......\drawable-mdpi
...............\...\...\......\drawable-xhdpi
...............\...\...\......\drawable-xxhdpi
...............\gen\com\example\demo
...............\src\com\example\demo
...............\bin\classes\com
...............\...\res\crunch
...............\gen\com\example
...............\src\com\example
...............\bin\classes
...............\...\dexedLibs
...............\...\res
...............\gen\com
...............\res\drawable-hdpi
...............\...\drawable-ldpi
...............\...\drawable-mdpi
...............\...\drawable-xhdpi
...............\...\drawable-xxhdpi
...............\...\layout
...............\...\menu
...............\...\values
...............\...\values-sw600dp
...............\...\values-sw720dp-land
...............\...\values-v11
...............\...\values-v14
...............\src\com
...............\assets
...............\bin
...............\gen
...............\libs
...............\res
...............\src
demo - 一键锁屏

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